WebKit r196074 was built on 03 February 2016 and is a 75 MB download.
WebKit r189384 was built on 04 September 2015 and is a 55.2 MB download.
Nightly builds are available for the following branches:
Archived builds are available for the following obsolete branches:
Nightly builds of WebKit are provided for testing purposes only. WebKit is open source software with portions licensed under the LGPL and BSD licenses. Complete license and copyright information can be found within the code.